Year	National Currency
2004-01-01	7219000000
2005-01-01	8301000000
2006-01-01	10102000000
2007-01-01	11047000000
2008-01-01	10572000000
2009-01-01	9079000000
2010-01-01	7812000000
2011-01-01	7555000000
2012-01-01	7375000000
2013-01-01	7375000000
2014-01-01	7547000000
2015-01-01	7536000000
2016-01-01	7602000000